Storage Lifecycle Policies

1、Scott HolowinskiSenior Backup AdministratorOneNeck IT ServicesWho Am IMy EnvironmentWhat is a SLPCreating SLPsDeleting SLPsBest PracticesQuestions?NetBackup administrator for the last 5 years3+ years with current environmentBegan using SLPs in 2009 with NBU 6.5.3Windows Master Server8 Windows Media

2、Servers900 Hosts1700 Backup Policies150 SLPs15000 jobs a day15-25TB of backups a dayStorage Lifecycle Policy A plan or map of where backup data will be stored and for how long. Focuses management on individual images Very flexible when making multiple copies and using multiple retentionsArticle: HOW

3、TO34771Administrators Guide 1, Chapter 14 Why so many SLPs? Retention Backup destination Duplicate destination(s)Hurts batching and SLP processing takes longerRemove from all backup policiesAll active jobs completed wait or cancelCancel any pending duplications nbstlutil cancel lifecycle Delete SLP

4、May need to wait several minutes after last job completes click on desised SLP Right-Click and select Delete and confirmNBSTL add/modify remove listExample of an addnbstl TEST-PRD-UNX-STD -add -dp 70000 -uf 0,1,1 -residence DSSU_UNX,DD-UNX,TAPE-TEST -pool _NA_,_NA_,TEST-Offsite -source 0,0,0 -manage

5、d 2,0,0 -rl 0,4,1 TECH153154 7.1and later NetBackup 7.1 Best Practice NetBackup 7.1 Best Practice Using Using Storage Lifecycle Policies Storage Lifecycle Policies and Auto Image Replication and Auto Image Replication TECH75047 7.0.1 or earlierBest practices for configuring Best practices for config

6、uring NetBackup with Storage Lifecycle NetBackup with Storage Lifecycle PoliciesPoliciesPlan for duplication Plan for duplication timetime Duplication may take as long as Duplication may take as long as original backup or longeroriginal backup or longer Duplication requires twice the Duplication req

7、uires twice the hardware (Reading and Writing)hardware (Reading and Writing) NBRB gets hit twice as hard as well NBRB gets hit twice as hard as well Introduce SLPs into the Introduce SLPs into the environment environment gradually gradually Dont switch everything to SLPs at Dont switch everything to

8、 SLPs at onceonce Do limit duplications initiallyDo limit duplications initially SLP duplications require bandwidth SLP duplications require bandwidth and hardwareand hardware You may need to re-evaluate hardware You may need to re-evaluate hardware requirementsrequirementsBe conservative when using

9、 Be conservative when using storage unit groups with Media storage unit groups with Media Server Load Balancing Server Load Balancing Negative impact on NBRBNegative impact on NBRB Every queued job gets evaluatedEvery queued job gets evaluated More servers = slower resource More servers = slower res

10、ource allocationsallocationsBe conservative when using Be conservative when using storage unit groups with Inline storage unit groups with Inline CopyCopy More load on NBRBMore load on NBRB Evaluates possible server and space every Evaluates possible server and space every evaluation cycle for queue

11、d jobsevaluation cycle for queued jobs Monitor closely when adding servers Monitor closely when adding servers or storage unitsor storage unitsUse Duplication Job Priority to Use Duplication Job Priority to give backups priority over give backups priority over duplicationsduplications or the inverse

12、, depends on your or the inverse, depends on your situationsituation Or just dont share resources if Or just dont share resources if possiblepossibleAvoid increasing Avoid increasing backlogbacklog Oldest files get duplication jobs Oldest files get duplication jobs firstfirst Have to duplicate faste

13、r than backups Have to duplicate faster than backups to catch upto catch up “the behinder you get the more you get “the behinder you get the more you get behind”behind” Could be over 1 day, 3 days, a week, you Could be over 1 day, 3 days, a week, you decide.decide.Backlog QuestionsBacklog Questions

14、How soon should duplications be How soon should duplications be completed? SLAs?completed? SLAs? How will you measure the backlog?How will you measure the backlog? What about downtime?What about downtime? How will you recover from a backlog?How will you recover from a backlog?The LIFECYCLE_PARAMETER

15、S fileThe LIFECYCLE_PARAMETERS file /usr/openv/netbackup/db/config -unix/usr/openv/netbackup/db/config -unix netbackupdbconfig -windowsnetbackupdbconfig -windows LIFECYCLE_PARAMETERS ValuesMIN_GB_SIZE_PER_DUPLICATION_JOB 8 MAX_GB_SIZE_PER_DUPLICATION_JOB 25 MAX_MINUTES_TIL_FORCE_SMALL_DUPLICATION_JOB 30 DUPLICATI